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EP1867325A3 - Capsules comprising lipids in the coating - Google Patents

Capsules comprising lipids in the coating Download PDF

Info

Publication number
EP1867325A3
EP1867325A3 EP06019183A EP06019183A EP1867325A3 EP 1867325 A3 EP1867325 A3 EP 1867325A3 EP 06019183 A EP06019183 A EP 06019183A EP 06019183 A EP06019183 A EP 06019183A EP 1867325 A3 EP1867325 A3 EP 1867325A3
Authority
EP
European Patent Office
Prior art keywords
capsules
lipids
coating
processes
preparation
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP06019183A
Other languages
German (de)
French (fr)
Other versions
EP1867325B1 (en
EP1867325A2 (en
Inventor
Edwin Prof. Dr. Donath
Gleb Dr. Sukhorukov
Karl-Heinz Dr. Lerche
Andreas Dr. Voigt
Hans Dr. Bäumler
Frank Prof. Dr. Caruso
Helmuth Prof. Dr. Möhwald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Max Planck Gesellschaft zur Foerderung der Wissenschaften
Original Assignee
Max Planck Gesellschaft zur Foerderung der Wissenschaften
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27218222&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1867325(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from DE1998112083 external-priority patent/DE19812083A1/en
Priority claimed from EP98113181A external-priority patent/EP0972563A1/en
Priority claimed from DE1999107552 external-priority patent/DE19907552A1/en
Application filed by Max Planck Gesellschaft zur Foerderung der Wissenschaften filed Critical Max Planck Gesellschaft zur Foerderung der Wissenschaften
Priority to EP06019183A priority Critical patent/EP1867325B1/en
Publication of EP1867325A2 publication Critical patent/EP1867325A2/en
Publication of EP1867325A3 publication Critical patent/EP1867325A3/en
Application granted granted Critical
Publication of EP1867325B1 publication Critical patent/EP1867325B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5005—Wall or coating material
    • A61K9/5021—Organic macromolecular compounds
    • A61K9/5026—Organic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyvinyl pyrrolidone, poly(meth)acrylates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K9/00—Medicinal preparations characterised by special physical form
    • A61K9/48—Preparations in capsules, e.g. of gelatin, of chocolate
    • A61K9/50—Microcapsules having a gas, liquid or semi-solid filling; Solid microparticles or pellets surrounded by a distinct coating layer, e.g. coated microspheres, coated drug crystals
    • A61K9/5089—Processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
    • B01J13/02—Making microcapsules or microballoons
    • B01J13/20—After-treatment of capsule walls, e.g. hardening
    • B01J13/22—Coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Public Health (AREA)
  • Dispersion Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Veterinary Medicine (AREA)
  • Medicinal Chemistry (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing Of Micro-Capsules (AREA)
  • Medicinal Preparation (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Fats And Perfumes (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)

Abstract

Die Erfindung betrifft mit einer Polyelektrolythülle beschichtete Kapseln und Verfahren zu deren Herstellung.The invention relates to capsules coated with a polyelectrolyte shell and to processes for their preparation.

EP06019183A 1998-03-19 1999-03-19 Capsules comprising lipids in the coating Revoked EP1867325B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP06019183A EP1867325B1 (en) 1998-03-19 1999-03-19 Capsules comprising lipids in the coating

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE1998112083 DE19812083A1 (en) 1998-03-19 1998-03-19 Simple preparation of coated particles, used to prepare systems for slow and/or targeted release of actives including pharmaceuticals, contrast agents, herbicides, pesticides, catalysts and pigments
EP98113181A EP0972563A1 (en) 1998-07-15 1998-07-15 Fabrication of multilayer-coated particles and hollow shells via electrostatic self-assembly of nanocomposite multilayers on decomposable colloidal templates
DE1999107552 DE19907552A1 (en) 1999-02-22 1999-02-22 New stable polyelectrolyte capsules of controllable permeability, prepared by coating template particles, useful e.g. for controlled drug release
EP06019183A EP1867325B1 (en) 1998-03-19 1999-03-19 Capsules comprising lipids in the coating
EP05027659A EP1647326B1 (en) 1998-03-19 1999-03-19 Process for preparing capsules having a polyelectrolyte shell
EP99911804A EP1064087B1 (en) 1998-03-19 1999-03-19 Production of nanocapsules and microcapsules by layer-wise polyelectrolyte self-assembly

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP05027659A Division EP1647326B1 (en) 1998-03-19 1999-03-19 Process for preparing capsules having a polyelectrolyte shell
EP99911804.5 Division 1999-03-19
EP05027659.1 Division 2005-12-16

Publications (3)

Publication Number Publication Date
EP1867325A2 EP1867325A2 (en) 2007-12-19
EP1867325A3 true EP1867325A3 (en) 2009-07-15
EP1867325B1 EP1867325B1 (en) 2011-09-14

Family

ID=27218222

Family Applications (4)

Application Number Title Priority Date Filing Date
EP05027659A Revoked EP1647326B1 (en) 1998-03-19 1999-03-19 Process for preparing capsules having a polyelectrolyte shell
EP99911804A Expired - Lifetime EP1064087B1 (en) 1998-03-19 1999-03-19 Production of nanocapsules and microcapsules by layer-wise polyelectrolyte self-assembly
EP06019183A Revoked EP1867325B1 (en) 1998-03-19 1999-03-19 Capsules comprising lipids in the coating
EP05027658A Expired - Lifetime EP1647270B1 (en) 1998-03-19 1999-03-19 Process for applying several layers of coating substances to template particles

Family Applications Before (2)

Application Number Title Priority Date Filing Date
EP05027659A Revoked EP1647326B1 (en) 1998-03-19 1999-03-19 Process for preparing capsules having a polyelectrolyte shell
EP99911804A Expired - Lifetime EP1064087B1 (en) 1998-03-19 1999-03-19 Production of nanocapsules and microcapsules by layer-wise polyelectrolyte self-assembly

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP05027658A Expired - Lifetime EP1647270B1 (en) 1998-03-19 1999-03-19 Process for applying several layers of coating substances to template particles

Country Status (6)

Country Link
EP (4) EP1647326B1 (en)
JP (1) JP2002506719A (en)
AT (4) ATE524166T1 (en)
DE (3) DE59915041D1 (en)
DK (1) DK1064087T3 (en)
WO (1) WO1999047252A2 (en)

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CARUSO F ET AL: "INFLUENCE OF POLYELECTROLYTE MULTILAYER COATINGS ON FOERSTER RESONANCE ENERGY TRANSFER BETWEEN 6-CARBOXYFLUORESCEIN AND RHODAMINE B-LABELED PARTICLES IN AQUEOUS SOLUTION", JOURNAL OF PHYSICAL CHEMISTRY. B, MATERIALS, SURFACES, INTERFACES AND BIOPHYSICAL, WASHINGTON, DC, US, vol. 102, 24 February 1998 (1998-02-24), pages 2011 - 2016, XP000852731, ISSN: 1089-5647 *
SUKHORUKOV G B ET AL: "LAYER-BY-LAYER SELF ASSEMBLY OF POLYELECTROLYTES ON COLLOIDAL PARTICLES", COLLOIDS AND SURFACES. A, PHYSICACHEMICAL AND ENGINEERING ASPECTS, ELSEVIER, AMSTERDAM, NL, vol. 137, 1 January 1998 (1998-01-01), pages 253 - 266, XP000852906, ISSN: 0927-7757 *
SUKHORUKOV G B ET AL: "STPEWISE POLYELECTROLYTE ASSEMBLY ON PARTICLE SURFACES: A NOVEL APPROACH TO COLLOID DESIGN", POLYMERS FOR ADVANCED TECHNOLOGIES, WILEY & SONS, BOGNOR REGIS, GB, vol. 9, no. 10/11, 1 October 1998 (1998-10-01), pages 759 - 767, XP000784433, ISSN: 1042-7147 *

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WO1999047252A3 (en) 2000-01-13
WO1999047252A2 (en) 1999-09-23
DE59915041D1 (en) 2009-07-30
EP1647270B1 (en) 2009-06-17
EP1064087A4 (en) 2002-03-27
EP1064087B1 (en) 2006-01-25
ATE433747T1 (en) 2009-07-15
EP1647270A3 (en) 2006-09-20
ATE524165T1 (en) 2011-09-15
EP1647326A3 (en) 2006-09-20
JP2002506719A (en) 2002-03-05
ATE524166T1 (en) 2011-09-15
EP1867325B1 (en) 2011-09-14
DE59913080D1 (en) 2006-04-13
EP1647270A2 (en) 2006-04-19
DK1064087T3 (en) 2006-05-29
EP1064087A2 (en) 2001-01-03
DE29924358U1 (en) 2003-01-02
EP1647326B1 (en) 2011-09-14
ATE316420T1 (en) 2006-02-15
EP1647326A2 (en) 2006-04-19
EP1867325A2 (en) 2007-12-19

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